The next evolution in wireless networking holds promises of self-driving cars and movies that download in the blink of an eye. 5G is big at this year's Mobile World Congress, but don't expect it until 2020.

On today's show, GeekBomb's very own Maude Garrett joins Khail to discuss the merits of a tomato-feeding robot hat, a jacket that changes color based on the wearer's mood, and a 3D printer that fits in a suitcase.